uncompress.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * linux/include/asm-arm/arch-l7200/uncompress.h
- *
- * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
- *
- * Changelog:
- * 05-01-2000 SJH Created
- * 05-13-2000 SJH Filled in function bodies
- * 07-26-2000 SJH Removed hard coded buad rate
- */
- #include <asm/hardware.h>
- #define IO_UART IO_START + 0x00044000
- #define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
- #define __raw_readb(p) (*(volatile unsigned char *)(p))
- static __inline__ void putc(char c)
- {
- while(__raw_readb(IO_UART + 0x18) & 0x20 ||
- __raw_readb(IO_UART + 0x18) & 0x08)
- barrier();
- __raw_writeb(c, IO_UART + 0x00);
- }
- static void puts(const char *s)
- {
- while (*s) {
- if (*s == 10) { /* If a LF, add CR */
- putc(10);
- putc(13);
- }
- putc(*(s++));
- }
- }
- static __inline__ void arch_decomp_setup(void)
- {
- __raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */
- __raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */
- __raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */
- }
- #define arch_decomp_wdog()